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<div class="title">opennurbs_hatch.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* $NoKeywords: $ */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (c) 1993-2012 Robert McNeel &amp; Associates. All rights reserved.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// McNeel &amp; Associates.</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// THIS SOFTWARE IS PROVIDED &quot;AS IS&quot; WITHOUT EXPRESS OR IMPLIED WARRANTY.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// MERCHANTABILITY ARE HEREBY DISCLAIMED.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">//              </span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// For complete openNURBS copyright information see &lt;http://www.opennurbs.org&gt;.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef OPENNURBS_HATCH_H_INCLUDED</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define OPENNURBS_HATCH_H_INCLUDED</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">  class ON_HatchLoop</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">  Represents a 3d boundary loop curve</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="class_o_n___hatch_loop.html">   25</a></span>&#160;<span class="keyword">class </span>ON_CLASS <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;{</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#if defined(ON_DLL_EXPORTS) || defined(ON_DLL_IMPORTS)</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;  <span class="comment">// When the Microsoft CRT(s) is/are used, this is the best</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;  <span class="comment">// way to prevent crashes that happen when a hatch loop is</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;  <span class="comment">// allocated with new in one DLL and deallocated with</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  <span class="comment">// delete in another DLL.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  <span class="comment">// new/delete</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;  <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(size_t);</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;  <span class="keywordtype">void</span>  <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*);</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  <span class="comment">// array new/delete</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;  <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>[] (size_t);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  <span class="keywordtype">void</span>  <span class="keyword">operator</span> <span class="keyword">delete</span>[] (<span class="keywordtype">void</span>*);</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;  <span class="comment">// in place new/delete</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;  <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(size_t,<span class="keywordtype">void</span>*);</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;  <span class="keywordtype">void</span>  <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*,<span class="keywordtype">void</span>*);</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;  <span class="keyword">enum</span> eLoopType</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;  {</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    ltOuter = 0,</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    ltInner = 1,</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  };</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>();</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>( <a class="code" href="class_o_n___curve.html">ON_Curve</a>* pCurve2d, eLoopType type = ltOuter);</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>( <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>&amp; src);</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  ~<a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>();</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>&amp; operator=( <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>&amp; src);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  ON_BOOL32 IsValid( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>* text_log = NULL ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keywordtype">void</span> Dump( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>&amp; ) <span class="keyword">const</span>; <span class="comment">// for debugging</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  ON_BOOL32 Write( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  ON_BOOL32 Read( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;);</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  <span class="comment">// Interface</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment">    Get a closed 2d curve boundary loop</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">    Pointer to loop&#39;s 2d curve</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <span class="keyword">const</span> <a class="code" href="class_o_n___curve.html">ON_Curve</a>* Curve() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">    Specify the 2d loop curve in the hatch&#39;s plane coordinates</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">    curve - [in] 2d input curve</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">    true: success, false, curve couldn&#39;t be duplicated</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">    The curve is copied</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="keywordtype">bool</span> SetCurve( <span class="keyword">const</span> <a class="code" href="class_o_n___curve.html">ON_Curve</a>&amp; curve);</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">    Get the type flag of the loop</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">    eLoopType::ltInner or eLoopType::ltOuter</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  eLoopType Type() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160; </div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">    Specify the type flag of the loop</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">    type - [in] ltInner or ltOuter</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  <span class="keywordtype">void</span> SetType( eLoopType type);</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160; </div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="class_o_n___hatch.html">ON_Hatch</a>;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  eLoopType m_type;         <span class="comment">// loop type flag - inner or outer</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <a class="code" href="class_o_n___curve.html">ON_Curve</a>* m_p2dCurve;     <span class="comment">// 2d closed curve bounding the hatch</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;                            <span class="comment">// This is really a 3d curve with z coordinates = 0</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;};</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment">  class ON_HatchLine</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="comment">  Represents one line of a hatch pattern</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="comment">  Similar to AutoCAD&#39;s .pat file definition</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="comment">  ON_HatchLine&#39;s are used by ON_HatchPattern</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment">    to specify the dashes and offset patterns of the lines.</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="comment">  Each line has the following information:</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="comment">  Angle is the direction of the line CCW from the x axis</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">  The first line origin is at base</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="comment">  Each line repetition is offset by offset from the previous line</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">    offset.x is parallel to the line and </span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">    offset.y is perpendicular to the line</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment">  The base and offset values are rotated by the line&#39;s angle to </span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">    produce a location in the hatch pattern&#39;s coordinate system</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment">  There can be gaps and dashes specified for drawing the line</span></div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="comment">  If there are no dashes, the line is solid</span></div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="comment">  Negative length dashes are gaps</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="comment">  Positive length dashes are drawn as line segments</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="class_o_n___hatch_line.html">  136</a></span>&#160;<span class="keyword">class </span>ON_CLASS <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;{</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a>();</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  <span class="comment">// C++ default copy construction and operator= work fine.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a>( </div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    <span class="keywordtype">double</span> angle, </div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a>&amp; base, </div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_o_n__2d_vector.html">ON_2dVector</a>&amp; offset,</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keyword">const</span> <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;double&gt;</a> dashes);</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160; </div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  <span class="keywordtype">bool</span> operator==( <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a>&amp;) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  <span class="keywordtype">bool</span> operator!=( <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a>&amp;) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  ON_BOOL32 IsValid( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>* text_log = NULL ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;  <span class="keywordtype">void</span> Dump( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>&amp; ) <span class="keyword">const</span>; <span class="comment">// for debugging</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  ON_BOOL32 Write( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;) <span class="keyword">const</span>;  <span class="comment">// serialize definition to binary archive</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  ON_BOOL32 Read( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;);  <span class="comment">// restore definition from binary archive</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160; </div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;  <span class="comment">// Interface</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="comment">    Get angle of the hatch line.</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment">    CCW from x-axis</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="comment">    The angle in radians</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;  <span class="keywordtype">double</span> Angle() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160; </div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">    Set angle of the hatch line.</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">    CCW from x-axis</span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="comment">    angle - [in] angle in radians</span></div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  <span class="keywordtype">void</span> SetAngle( <span class="keywordtype">double</span> angle);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;  </div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">    Get this line&#39;s 2d basepoint</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="comment">    the base point</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a> Base() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="comment">    Set this line&#39;s 2d basepoint</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="comment">    base - [in] the basepoint</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  <span class="keywordtype">void</span> SetBase( <span class="keyword">const</span> <a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a>&amp; base);</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  </div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">    Get this line&#39;s 2d offset for line repetitions</span></div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">    Offset().x is shift parallel to line</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">    Offset().y is spacing perpendicular to line</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="comment">    the offset</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;  <a class="code" href="class_o_n__2d_vector.html">ON_2dVector</a> Offset() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment">    Get this line&#39;s 2d offset for line repetitions</span></div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="comment">    Offset().x is shift parallel to line</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="comment">    Offset().y is spacing perpendicular to line</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="comment">    offset - [in] the shift,spacing for repeated lines</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;  <span class="keywordtype">void</span> SetOffset( <span class="keyword">const</span> <a class="code" href="class_o_n__2d_vector.html">ON_2dVector</a>&amp; offset);</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160; </div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="comment">    Get the number of gaps + dashes in the line</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="comment">    nummber of dashes in the line</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  <span class="keywordtype">int</span> DashCount() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160; </div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment">    Get the dash length at index</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment">    index - [in] the dash to get</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment">    the length of the dash ( gap if negative)</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;  <span class="keywordtype">double</span> Dash( <span class="keywordtype">int</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160; </div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="comment">    Add a dash to the pattern</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment">    dash - [in] length to append - &lt; 0 for a gap</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  <span class="keywordtype">void</span> AppendDash( <span class="keywordtype">double</span> dash);</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160; </div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="comment">    Specify a new dash array</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">    dashes - [in] array of dash lengths</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  <span class="keywordtype">void</span> SetPattern( <span class="keyword">const</span> <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;double&gt;</a>&amp; dashes);</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160; </div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">    Get the line&#39;s angle, base, offset and dashes </span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="comment">    in one function call</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">    angle  - [out] angle in radians CCW from x-axis</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="comment">    base   - [out] origin of the master line</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="comment">    offset - [out] offset for line replications</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;<span class="comment">    dashes - [out] the dash array for the line</span></div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;  <span class="keywordtype">void</span> GetLineData(</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    <span class="keywordtype">double</span>&amp; angle, </div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a>&amp; base, </div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;    <a class="code" href="class_o_n__2d_vector.html">ON_2dVector</a>&amp; offset, </div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;double&gt;</a>&amp; dashes) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160; </div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="comment">    Get the total length of a pattern repeat</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="comment">    Pattern length</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;  <span class="keywordtype">double</span> GetPatternLength() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;  <span class="keywordtype">double</span> m_angle;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;  <a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a> m_base;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;  <a class="code" href="class_o_n__2d_vector.html">ON_2dVector</a> m_offset;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt; double&gt;</a> m_dashes;</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;};</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160; </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160; </div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160; </div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160; </div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="preprocessor">#if defined(ON_DLL_TEMPLATE)</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="comment">// This stuff is here because of a limitation in the way Microsoft</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="comment">// handles templates and DLLs.  See Microsoft&#39;s knowledge base </span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="comment">// article ID Q168958 for details.</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="preprocessor">#pragma warning( push )</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="preprocessor">#pragma warning( disable : 4231 )</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;ON_DLL_TEMPLATE <span class="keyword">template</span> <span class="keyword">class </span>ON_CLASS <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;ON_HatchLoop*&gt;</a>;</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;ON_DLL_TEMPLATE <span class="keyword">template</span> <span class="keyword">class </span>ON_CLASS <a class="code" href="class_o_n___class_array.html">ON_ClassArray&lt;ON_HatchLine&gt;</a>;</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="preprocessor">#pragma warning( pop )</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160; </div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="comment">  class ON_HatchPattern</span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;<span class="comment">  Fill definition for a hatch</span></div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="comment">  The hatch  will be one of </span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="comment">    ON_Hatch::ftLines     - pat file style definition</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;<span class="comment">    ON_Hatch::ftGradient  - uses a color function</span></div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;<span class="comment">    ON_Hatch::ftSolid     - uses entity color</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="class_o_n___hatch_pattern.html">  312</a></span>&#160;<span class="keyword">class </span>ON_CLASS <a class="code" href="class_o_n___hatch_pattern.html">ON_HatchPattern</a> : <span class="keyword">public</span> <a class="code" href="class_o_n___object.html">ON_Object</a></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;{</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  ON_OBJECT_DECLARE( <a class="code" href="class_o_n___hatch_pattern.html">ON_HatchPattern</a>);</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160; </div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160; </div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  <span class="keyword">enum</span> eFillType</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;  {</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    ftSolid    = 0,  <span class="comment">// uses entity color</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    ftLines    = 1,  <span class="comment">// pat file definition</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    ftGradient = 2,  <span class="comment">// uses a fill color function</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    ftLast     = 3</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;  };</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160; </div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;  <a class="code" href="class_o_n___hatch_pattern.html">ON_HatchPattern</a>();</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;  ~<a class="code" href="class_o_n___hatch_pattern.html">ON_HatchPattern</a>();</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;  <span class="comment">// C++ default copy construction and operator= work fine.</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160; </div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160; <span class="comment">// ON_Object overrides</span></div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="comment"></span>   ON_BOOL32 IsValid( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>* text_log = NULL ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  <span class="keywordtype">void</span> Dump( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>&amp; ) <span class="keyword">const</span>; <span class="comment">// for debugging</span></div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;  ON_BOOL32 Write( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;  ON_BOOL32 Read( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;);</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160; </div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;  <span class="comment">// virtual</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;  <a class="code" href="class_o_n___u_u_i_d.html">ON_UUID</a> ModelObjectId() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160; </div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160; </div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;  <span class="comment">// Interface</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160; </div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;<span class="comment">    Return the pattern&#39;s fill type</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;  eFillType FillType() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160; </div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="comment">    Set the pattern&#39;s fill type</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="comment">    type - [in] the new filltype</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;  <span class="keywordtype">void</span> SetFillType( eFillType type);</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160; </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="comment">    Set the name of the pattern</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="comment">    pName - [in] the new name</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;  <span class="keywordtype">void</span> SetName( <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* pName);</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;  <span class="keywordtype">void</span> SetName( <span class="keyword">const</span> <span class="keywordtype">char</span>* pName);</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;  </div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="comment">    Get the name of the pattern</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="comment">    string - [out] The name is returned here</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;  <span class="keywordtype">void</span> GetName( <a class="code" href="class_o_n__w_string.html">ON_wString</a>&amp; <span class="keywordtype">string</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160; </div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;<span class="comment">    Get the name of the pattern</span></div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;<span class="comment">    The name string</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* Name() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160; </div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="comment">    Set the name of the pattern</span></div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;<span class="comment">    pDescription - [in] the new description</span></div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;  <span class="keywordtype">void</span> SetDescription( <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* pDescription);</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;  <span class="keywordtype">void</span> SetDescription( <span class="keyword">const</span> <span class="keywordtype">char</span>* pDescription);</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;  </div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="comment">    Get a short description of the pattern</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="comment">    string - [out] The string is returned here</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;  <span class="keywordtype">void</span> GetDescription( <a class="code" href="class_o_n__w_string.html">ON_wString</a>&amp; <span class="keywordtype">string</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160; </div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="comment">    Return a short text description of the pattern type</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="comment">    The description string</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">wchar_t</span>* Description() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160; </div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;<span class="comment">    Set the table index of the pattern</span></div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="comment">    index - [in] the new index</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;  <span class="keywordtype">void</span> SetIndex( <span class="keywordtype">int</span> index);</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160; </div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="comment">    Return the table index of the pattern</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="comment">    The table index</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;  <span class="keywordtype">int</span> Index() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160; </div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;  <span class="comment">// Interface functions for line hatches</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment"></span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment">    Get the number of ON_HatchLines in the pattern</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;<span class="comment">    number of lines</span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;  <span class="keywordtype">int</span> HatchLineCount() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160; </div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;<span class="comment">    Add an ON_HatchLine to the pattern</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="comment">    line - [in] the line to add</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="comment">    &gt;= 0 index of the new line</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;<span class="comment">    -1 on failure</span></div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;  <span class="keywordtype">int</span> AddHatchLine( <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a>&amp; line);</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160; </div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="comment">    Get the ON_HatchLine at index</span></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="comment">    index - [in] Index of the line to get</span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment">    the hatch line</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">    NULL if index is out of range</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;  <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_line.html">ON_HatchLine</a>* HatchLine( <span class="keywordtype">int</span> index) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160; </div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="comment">    Remove a hatch line from the pattern</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;<span class="comment">    index - [in] Index of the line to remove</span></div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="comment">    true - success</span></div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;<span class="comment">    false - index out of range</span></div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;  <span class="keywordtype">bool</span> RemoveHatchLine( <span class="keywordtype">int</span> index);</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160; </div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="comment">    Remove all of the hatch line from the pattern</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="comment">    true - success</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="comment">    false - index out of range</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;  <span class="keywordtype">void</span> RemoveAllHatchLines();</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160; </div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;<span class="comment">    Set all of the hatch lines at once. </span></div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;<span class="comment">    Existing hatchlines are deleted.</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="comment">    lines - [in] Array of lines to add.  Lines are copied</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;<span class="comment">  Return:</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="comment">    number of lines added</span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;  <span class="keywordtype">int</span> SetHatchLines( <span class="keyword">const</span> <a class="code" href="class_o_n___class_array.html">ON_ClassArray&lt;ON_HatchLine&gt;</a> lines);</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160; </div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;  <span class="keywordtype">int</span> m_hatchpattern_index;         <span class="comment">// Index in the hatch pattern table</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;  <a class="code" href="class_o_n__w_string.html">ON_wString</a> m_hatchpattern_name;   <span class="comment">// String name of the pattern</span></div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;  <a class="code" href="class_o_n___u_u_i_d.html">ON_UUID</a> m_hatchpattern_id;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;  </div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;  eFillType m_type;</div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;  </div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;  <a class="code" href="class_o_n__w_string.html">ON_wString</a> m_description;  <span class="comment">// String description of the pattern</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160; </div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;  <span class="comment">// Represents a collection of ON_HatchLine&#39;s to make a complete pattern</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;  <span class="comment">// This is the definition of a hatch pattern.</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;  <span class="comment">// Simple solid line hatches with fixed angle and spacing are also </span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;  <span class="comment">// represented with this type of hatch</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;  <a class="code" href="class_o_n___class_array.html">ON_ClassArray&lt;ON_HatchLine&gt;</a> m_lines; <span class="comment">// used by line hatches</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;};</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160; </div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="comment">  class ON_Hatch</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment">  Represents a hatch in planar boundary loop or loops </span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="comment">  This is a 2d entity with a plane defining a local coordinate system</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="comment">  The loops, patterns, angles, etc are all in this local coordinate system</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="comment">  The ON_Hatch object manages the plane and loop array</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment">  Fill definitions are in the ON_HatchPattern or class derived from ON_HatchPattern</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="comment">  ON_Hatch has an index to get the pattern definition from the pattern table</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"><a class="line" href="class_o_n___hatch.html">  524</a></span>&#160;<span class="keyword">class </span>ON_CLASS <a class="code" href="class_o_n___hatch.html">ON_Hatch</a> : <span class="keyword">public</span> <a class="code" href="class_o_n___geometry.html">ON_Geometry</a></div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;{</div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;  ON_OBJECT_DECLARE( <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>);</div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160; </div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;  <span class="comment">// Default constructor</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;  <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>();</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;  <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>( <span class="keyword">const</span> <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>&amp;);</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;  <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>&amp;);</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;  ~<a class="code" href="class_o_n___hatch.html">ON_Hatch</a>();</div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160; </div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;  <span class="keyword">virtual</span> <a class="code" href="class_o_n___hatch.html">ON_Hatch</a>* DuplicateHatch() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160; </div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;  <span class="comment">// ON_Object overrides</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="comment"></span>  ON_BOOL32 IsValid( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>* text_log = NULL ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;  <span class="keywordtype">void</span> Dump( <a class="code" href="class_o_n___text_log.html">ON_TextLog</a>&amp; ) <span class="keyword">const</span>; <span class="comment">// for debugging</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;  ON_BOOL32 Write( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;  ON_BOOL32 Read( <a class="code" href="class_o_n___binary_archive.html">ON_BinaryArchive</a>&amp;);</div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;  ON::object_type ObjectType() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160; </div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;  <span class="comment">// ON_Geometry overrides</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;<span class="comment"></span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;<span class="comment">    Returns the geometric dimension of the object ( usually 3)</span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;  <span class="keywordtype">int</span> Dimension() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160; </div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;<span class="comment">    Description:</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;<span class="comment">      Get a bounding 3d WCS box of the object</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;<span class="comment">      This is a bounding box of the boundary loops</span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;<span class="comment">    Parameters:</span></div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;<span class="comment">      [in/out] double* boxmin - pointer to dim doubles for min box corner</span></div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;<span class="comment">      [in/out] double* boxmax - pointer to dim doubles for max box corner</span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="comment">      [in] ON_BOOL32 growbox   - true to grow the existing box,</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="comment">                            false ( the default) to reset the box</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;<span class="comment">    Returns:</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;<span class="comment">      true = Success</span></div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;<span class="comment">      false = Failure</span></div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;<span class="comment">    Remarks:</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;  ON_BOOL32 GetBBox( <span class="keywordtype">double</span>*, <span class="keywordtype">double</span>*, ON_BOOL32 = <span class="keyword">false</span>) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160; </div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="comment">    Description:</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="comment">    Get tight bounding box of the hatch.</span></div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">    Parameters:</span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;<span class="comment">        tight_bbox - [in/out] tight bounding box</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="comment">        bGrowBox -[in]  (default=false)         </span></div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="comment">      If true and the input tight_bbox is valid, then returned</span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="comment">      tight_bbox is the union of the input tight_bbox and the </span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="comment">      tight bounding box of the hatch.</span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;<span class="comment">        xform -[in] (default=NULL)</span></div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;<span class="comment">      If not NULL, the tight bounding box of the transformed</span></div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;<span class="comment">      hatch is calculated.  The hatch is not modified.</span></div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;<span class="comment">    Returns:</span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;<span class="comment">    True if the returned tight_bbox is set to a valid </span></div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;<span class="comment">    bounding box.</span></div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    <span class="keywordtype">bool</span> GetTightBoundingBox( </div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;            <a class="code" href="class_o_n___bounding_box.html">ON_BoundingBox</a>&amp; tight_bbox, </div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;      <span class="keywordtype">int</span> bGrowBox = <span class="keyword">false</span>,</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;            <span class="keyword">const</span> <a class="code" href="class_o_n___xform.html">ON_Xform</a>* xform = 0</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;      ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160; </div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160; </div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;<span class="comment">    Description:</span></div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;<span class="comment">      Transform the object by a 4x4 xform matrix</span></div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;<span class="comment">    Parameters:</span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;<span class="comment">      [in] xform  - An ON_Xform with the transformation information</span></div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;<span class="comment">    Returns:</span></div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;<span class="comment">      true = Success</span></div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;<span class="comment">      false = Failure</span></div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;<span class="comment">    Remarks:</span></div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;<span class="comment">      The object has been transformed when the function returns.</span></div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;  ON_BOOL32 Transform( <span class="keyword">const</span> <a class="code" href="class_o_n___xform.html">ON_Xform</a>&amp;);</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160; </div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;  <span class="comment">// Interface</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="comment">    Create a hatch from input geometry and parameters</span></div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment">    plane [I] - ON_Plane to make the hatch on</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;<span class="comment">    loops [I] - Array of boundary loops with the outer one first</span></div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;<span class="comment">    pattern_index [I] - Index into the hatch table</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;<span class="comment">    pattern_rotation [I] - ccw in radians about plane origin</span></div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;<span class="comment">    pattern_scale [I] - Scale factor for pattern definition</span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;<span class="comment">    true = success, false = failure</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;  <span class="keywordtype">bool</span> Create( <span class="keyword">const</span> <a class="code" href="class_o_n___plane.html">ON_Plane</a>&amp; plane,</div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;               <span class="keyword">const</span> <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;const ON_Curve*&gt;</a> loops, </div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;               <span class="keywordtype">int</span> pattern_index, </div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;               <span class="keywordtype">double</span> pattern_rotation, </div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;               <span class="keywordtype">double</span> pattern_scale);</div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160; </div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;<span class="comment">    Get the plane defining the hatch&#39;s coordinate system</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="comment">    the plane</span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;  <span class="keyword">const</span> <a class="code" href="class_o_n___plane.html">ON_Plane</a>&amp; Plane() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160; </div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;<span class="comment">    Set the plane defining the hatch&#39;s coordinate system</span></div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment">    plane - [in] the plane to set</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;  <span class="keywordtype">void</span> SetPlane( <span class="keyword">const</span> <a class="code" href="class_o_n___plane.html">ON_Plane</a>&amp; plane);</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;  </div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;<span class="comment">    Gets the rotation applied to the hatch pattern </span></div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;<span class="comment">    when it is mapped to the hatch&#39;s plane</span></div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;<span class="comment">    The rotation in radians</span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;<span class="comment">    The pattern is rotated counter-clockwise around</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="comment">    the hatch&#39;s plane origin by this value</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;  <span class="keywordtype">double</span> PatternRotation() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160; </div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="comment">    Sets the rotation applied to the hatch pattern </span></div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment">    when it is mapped to the hatch&#39;s plane</span></div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;<span class="comment">    rotation - [in] The rotation in radians</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;<span class="comment">    The pattern is rotated counter-clockwise around</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;<span class="comment">    the hatch&#39;s plane origin by this value</span></div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;  <span class="keywordtype">void</span> SetPatternRotation( <span class="keywordtype">double</span> rotation);</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;  </div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;<span class="comment">    Gets the scale applied to the hatch pattern </span></div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;<span class="comment">    when it is mapped to the hatch&#39;s plane</span></div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;<span class="comment">    The scale</span></div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="comment">    The pattern is scaled around</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;<span class="comment">    the hatch&#39;s plane origin by this value</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;  <span class="keywordtype">double</span> PatternScale() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160; </div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;<span class="comment">    Sets the scale applied to the hatch pattern </span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;<span class="comment">    when it is mapped to the hatch&#39;s plane</span></div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;<span class="comment">    scale - [in] The scale</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;<span class="comment">    The pattern is scaled around</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;<span class="comment">    the hatch&#39;s plane origin by this value</span></div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;  <span class="keywordtype">void</span> SetPatternScale( <span class="keywordtype">double</span> scale);</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;  </div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;<span class="comment">    Get the number of loops used by this hatch</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;<span class="comment">    the number of loops</span></div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;  <span class="keywordtype">int</span> LoopCount() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160; </div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;<span class="comment">    Add a loop to the hatch</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;<span class="comment">    loop - [in] the loop to add. Memory management for the loop is managed</span></div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;<span class="comment">           by this class.</span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;  <span class="keywordtype">void</span> AddLoop( <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>* loop);</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160; </div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;<span class="comment">    Insert a loop to the hatch at the specified index</span></div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;<span class="comment">    index - [in] zero based index of the position where insert the loop to.</span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;<span class="comment">    loop - [in] the loop to insert. Memory management for the loop is managed</span></div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;<span class="comment">                by this class on success.</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;<span class="comment">    true if success</span></div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;<span class="comment">      false if index is lower than 0 or greater than current loop count.</span></div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;  <span class="keywordtype">bool</span> InsertLoop( <span class="keywordtype">int</span> index,</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;                   <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>* loop);</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160; </div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;<span class="comment">    Remove a loop in the hatch</span></div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;<span class="comment">    loop - [in] zero based index of the loop to remove.</span></div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;<span class="comment">    true if success</span></div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;  <span class="keywordtype">bool</span> RemoveLoop( <span class="keywordtype">int</span> index);</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160; </div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;<span class="comment">    Get the loop at index</span></div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;<span class="comment">    index - [in] which loop to get</span></div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;<span class="comment">    pointer to loop at index</span></div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;<span class="comment">    NULL if index is out of range</span></div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;  <span class="keyword">const</span> <a class="code" href="class_o_n___hatch_loop.html">ON_HatchLoop</a>* Loop( <span class="keywordtype">int</span> index) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160; </div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;<span class="comment">    Get the 3d curve corresponding to loop[index]</span></div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;<span class="comment">    index - [in] which loop to get</span></div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;<span class="comment">    pointer to 3d curve of loop at index</span></div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;<span class="comment">    NULL if index is out of range or curve can&#39;t be made</span></div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;<span class="comment">    Caller deletes the returned curve</span></div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;  <a class="code" href="class_o_n___curve.html">ON_Curve</a>* LoopCurve3d( <span class="keywordtype">int</span> index) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160; </div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;<span class="comment">    Get the index of the hatch&#39;s pattern</span></div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;<span class="comment">    index of the pattern</span></div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;  <span class="keywordtype">int</span> PatternIndex() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160; </div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;<span class="comment">    Set the index of the hatch&#39;s pattern</span></div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;<span class="comment">    index - [in] pattern index to set</span></div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;  <span class="keywordtype">void</span> SetPatternIndex( <span class="keywordtype">int</span> index);</div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160; </div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;  <span class="comment">// Basepoint functions added March 23, 2008 -LW</span></div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;<span class="comment">    Set 2d Base point for hatch pattern alignment.</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;<span class="comment">    basepoint - 2d point in hatch&#39;s ECS</span></div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;  <span class="keywordtype">void</span> SetBasePoint(<a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a> basepoint);</div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160; </div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;<span class="comment">    Set 3d Base point for hatch pattern alignment.</span></div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;<span class="comment">    point - 3d WCS point</span></div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;<span class="comment">  Remarks:</span></div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;<span class="comment">    Projects point to hatch&#39;s plane and sets 2d point</span></div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;  <span class="keywordtype">void</span> SetBasePoint(<a class="code" href="class_o_n__3d_point.html">ON_3dPoint</a> point);</div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160; </div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;<span class="comment">    Return 3d WCS point that lies on hatch&#39;s plane used for pattern origin.</span></div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;  <a class="code" href="class_o_n__3d_point.html">ON_3dPoint</a> BasePoint() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160; </div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;<span class="comment">    Return 2d ECS point used for pattern origin.</span></div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;  <a class="code" href="class_o_n__2d_point.html">ON_2dPoint</a> BasePoint2d() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160; </div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;<span class="comment">  Function added June 12 2008 LW</span></div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;<span class="comment">  Description:</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;<span class="comment">    Remove all of the loops on the hatch and add the curves in &#39;loops&#39; as new loops</span></div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;<span class="comment">  Parameters:</span></div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;<span class="comment">    loops - [in] An array of pointers to 2d or 3d curves</span></div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;<span class="comment">                 If the curves are 2d, add them to the hatch directly</span></div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;<span class="comment">                 If they are 3d, project them to the hatch&#39;s plane first</span></div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;<span class="comment">  Returns:</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;<span class="comment">    true  - success</span></div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;<span class="comment">    false - no loops in input array or an error adding them</span></div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;<span class="comment">  */</span></div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;  <span class="keywordtype">bool</span> ReplaceLoops(<a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;const ON_Curve*&gt;</a> loops);</div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160; </div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;<span class="keyword">protected</span>:</div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;  <a class="code" href="class_o_n___plane.html">ON_Plane</a> m_plane;</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;  <span class="keywordtype">double</span> m_pattern_scale;</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;  <span class="keywordtype">double</span> m_pattern_rotation;</div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;  <a class="code" href="class_o_n___simple_array.html">ON_SimpleArray&lt;ON_HatchLoop*&gt;</a> m_loops;</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;  <span class="keywordtype">int</span> m_pattern_index;</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160; </div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;    <span class="comment">// This function is temporary and will be removed next time the SDK can be modified.</span></div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;  <span class="keyword">class </span>ON_HatchExtra* HatchExtension();</div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160; </div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;};</div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160; </div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclass_o_n__2d_point_html"><div class="ttname"><a href="class_o_n__2d_point.html">ON_2dPoint</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:267</div></div>
<div class="ttc" id="aclass_o_n__2d_vector_html"><div class="ttname"><a href="class_o_n__2d_vector.html">ON_2dVector</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:675</div></div>
<div class="ttc" id="aclass_o_n__3d_point_html"><div class="ttname"><a href="class_o_n__3d_point.html">ON_3dPoint</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:419</div></div>
<div class="ttc" id="aclass_o_n___binary_archive_html"><div class="ttname"><a href="class_o_n___binary_archive.html">ON_BinaryArchive</a></div><div class="ttdef"><b>Definition:</b> opennurbs_archive.h:732</div></div>
<div class="ttc" id="aclass_o_n___bounding_box_html"><div class="ttname"><a href="class_o_n___bounding_box.html">ON_BoundingBox</a></div><div class="ttdef"><b>Definition:</b> opennurbs_bounding_box.h:26</div></div>
<div class="ttc" id="aclass_o_n___class_array_html"><div class="ttname"><a href="class_o_n___class_array.html">ON_ClassArray&lt; ON_HatchLine &gt;</a></div></div>
<div class="ttc" id="aclass_o_n___curve_html"><div class="ttname"><a href="class_o_n___curve.html">ON_Curve</a></div><div class="ttdef"><b>Definition:</b> opennurbs_curve.h:89</div></div>
<div class="ttc" id="aclass_o_n___geometry_html"><div class="ttname"><a href="class_o_n___geometry.html">ON_Geometry</a></div><div class="ttdef"><b>Definition:</b> opennurbs_geometry.h:37</div></div>
<div class="ttc" id="aclass_o_n___hatch_html"><div class="ttname"><a href="class_o_n___hatch.html">ON_Hatch</a></div><div class="ttdef"><b>Definition:</b> opennurbs_hatch.h:525</div></div>
<div class="ttc" id="aclass_o_n___hatch_line_html"><div class="ttname"><a href="class_o_n___hatch_line.html">ON_HatchLine</a></div><div class="ttdef"><b>Definition:</b> opennurbs_hatch.h:137</div></div>
<div class="ttc" id="aclass_o_n___hatch_loop_html"><div class="ttname"><a href="class_o_n___hatch_loop.html">ON_HatchLoop</a></div><div class="ttdef"><b>Definition:</b> opennurbs_hatch.h:26</div></div>
<div class="ttc" id="aclass_o_n___hatch_pattern_html"><div class="ttname"><a href="class_o_n___hatch_pattern.html">ON_HatchPattern</a></div><div class="ttdef"><b>Definition:</b> opennurbs_hatch.h:313</div></div>
<div class="ttc" id="aclass_o_n___object_html"><div class="ttname"><a href="class_o_n___object.html">ON_Object</a></div><div class="ttdef"><b>Definition:</b> opennurbs_object.h:377</div></div>
<div class="ttc" id="aclass_o_n___plane_html"><div class="ttname"><a href="class_o_n___plane.html">ON_Plane</a></div><div class="ttdef"><b>Definition:</b> opennurbs_plane.h:21</div></div>
<div class="ttc" id="aclass_o_n___simple_array_html"><div class="ttname"><a href="class_o_n___simple_array.html">ON_SimpleArray&lt; double &gt;</a></div></div>
<div class="ttc" id="aclass_o_n___text_log_html"><div class="ttname"><a href="class_o_n___text_log.html">ON_TextLog</a></div><div class="ttdef"><b>Definition:</b> opennurbs_textlog.h:23</div></div>
<div class="ttc" id="aclass_o_n___u_u_i_d_html"><div class="ttname"><a href="class_o_n___u_u_i_d.html">ON_UUID</a></div><div class="ttdef"><b>Definition:</b> opennurbs_uuid.h:32</div></div>
<div class="ttc" id="aclass_o_n___xform_html"><div class="ttname"><a href="class_o_n___xform.html">ON_Xform</a></div><div class="ttdef"><b>Definition:</b> opennurbs_xform.h:29</div></div>
<div class="ttc" id="aclass_o_n__w_string_html"><div class="ttname"><a href="class_o_n__w_string.html">ON_wString</a></div><div class="ttdef"><b>Definition:</b> opennurbs_string.h:701</div></div>
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